Abstract
The $b$-axis dielectric anomaly at the commensurate-incommensurate phase-transition temperature in BaMn${\mathrm{F}}_{4}$ has been calculated. Its shape and magnitude agree with the data of Samara and Richards. The $a$-axis anomaly below ${T}_{N}$ is also explained; its shape and magnitude are due to the canting of Mn spins. It is a first-order effect and \ensuremath{\sim} ${10}^{5}$ larger than in Rado's second-order theory for ${\mathrm{Cr}}_{2}$${\mathrm{O}}_{3}$.
Keywords
Anomaly (physics)Order (exchange)SpinsPhysicsDielectricPhase (matter)Phase transitionCondensed matter physicsQuantum mechanics
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Publication Info
- Year
- 1977
- Type
- article
- Volume
- 16
- Issue
- 5
- Pages
- 2329-2331
- Citations
- 71
- Access
- Closed
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Cite This
J. F. Scott
(1977).
Mechanisms of dielectric anomalies in BaMn<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">F</mml:mi></mml:mrow><mml:mrow><mml:mn>4</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>.
Physical review. B, Solid state
, 16
(5)
, 2329-2331.
https://doi.org/10.1103/physrevb.16.2329
Identifiers
- DOI
- 10.1103/physrevb.16.2329